• Amazon DynamoDB: A fully managed NoSQL database designed for performance at scale.
• Amazon Redshift: A fast, fully managed data warehouse.
• Amazon ElastiCache: A managed service for deploying and scaling in-memory caches.
• Amazon DocumentDB: A scalable document database service that is compatible with MongoDB.

Each of these services has its use cases and nuances, and understanding their core principles will significantly AWS Database Certification  enhance your ability to pass the certification exam.

2. Database Design Principles

A strong foundation in database design is crucial for passing the AWS Database Certification exam. The certification exam evaluates your ability to design, deploy, and optimize database architectures. As part of this, you must be able to:

• Define and apply normalization and denormalization techniques to databases.
• Understand different data modeling approaches (e.g., ER diagrams, relational models).
• Design for scalability, high availability, and fault tolerance.

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